Pith Number

pith:GXPTMV5Y

pith:2018:GXPTMV5YLRFAKTSWCI4QSUAGHT

not attested not anchored not stored refs pending

The Maslov Index and the Spectral Flow - revisited

Joanna Janczewska, Marek Izydorek, Nils Waterstraat

arxiv:1808.08464 v1 · 2018-08-25 · math.DS · math.CA · math.FA

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{GXPTMV5YLRFAKTSWCI4QSUAGHT}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-05-17T23:48:17.183700Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

35df3657b85c4a054e5612390950063cc98beaf56b6694f8f46eefa01729e52b

Aliases

arxiv: 1808.08464 · arxiv_version: 1808.08464v1 · doi: 10.48550/arxiv.1808.08464 · pith_short_12: GXPTMV5YLRFA · pith_short_16: GXPTMV5YLRFAKTSW · pith_short_8: GXPTMV5Y

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/GXPTMV5YLRFAKTSWCI4QSUAGHT \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: 35df3657b85c4a054e5612390950063cc98beaf56b6694f8f46eefa01729e52b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0edea977a9fd66193529a5232ea727b92016c78a9faccedbeab939146bf570a2",
    "cross_cats_sorted": [
      "math.CA",
      "math.FA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DS",
    "submitted_at": "2018-08-25T19:35:03Z",
    "title_canon_sha256": "d5bd613755e09d42710c5c78a8b0cff9cd735b7947a941c18fa2dcf61e6f7f37"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1808.08464",
    "kind": "arxiv",
    "version": 1
  }
}